Question

The pressure exerted by the gas on the walls of the container because

• A. It loses kinetic energy
• B. It sticks with the wallsd
• C. On collision with the walls there is a change in momentum
• D. It is accelerated towards the walls

Answer 1

Answer: (C)

On collision with the walls there is a change in momentum

Answer 2

Pressure, $P = \frac{F}{A} = \frac{1}{A}.\frac{\Delta p}{\Delta t}$ (Dp = Change in momentum)